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331201112 = 231129233557
BaseRepresentation
bin10011101111011…
…011101001011000
3212002012202111212
4103233123221120
51134241413422
652510442252
711131106624
oct2357335130
9762182455
10331201112
1115aa55330
1292b03388
13538036b8
1431db6184
151e1239e2
hex13bdba58

331201112 has 64 divisors (see below), whose sum is σ = 705088800. Its totient is φ = 144471040.

The previous prime is 331201111. The next prime is 331201133. The reversal of 331201112 is 211102133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331201111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 594338 + ... + 594894.

Almost surely, 2331201112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331201112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352544400).

331201112 is an abundant number, since it is smaller than the sum of its proper divisors (373887688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331201112 is a wasteful number, since it uses less digits than its factorization.

331201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836 (or 832 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 331201112 is about 18198.9316169933. The cubic root of 331201112 is about 691.8797111241.

Adding to 331201112 its reverse (211102133), we get a palindrome (542303245).

The spelling of 331201112 in words is "three hundred thirty-one million, two hundred one thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 29 44 58 88 116 232 233 319 466 557 638 932 1114 1276 1864 2228 2552 2563 4456 5126 6127 6757 10252 12254 13514 16153 20504 24508 27028 32306 49016 54056 64612 74327 129224 129781 148654 177683 259562 297308 355366 519124 594616 710732 1038248 1421464 1427591 2855182 3763649 5710364 7527298 11420728 15054596 30109192 41400139 82800278 165600556 331201112